Patents by Inventor Hans Lang
Hans Lang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11147945Abstract: A catheter shaft includes a first tube made of an extrudable copolymer that has reactive groups, and a second tube made of a polymeric material, which is welded to the first tube. A distal balloon is welded to the first tube.Type: GrantFiled: May 23, 2017Date of Patent: October 19, 2021Assignee: BIOTRONIK AGInventors: Alwin Schwitzer, Hans Lang
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Patent number: 10893932Abstract: An implant having a preferably hollow cylindrical basic structure. A nonwoven fabric is disposed in and/or on the basic structure, the nonwoven fabric preferably comprising biocompatible thermoplastic polyurethane and/or a polymer selected from the group consisting of polylactic acid, polycaprolactone, and a copolymer thereof, and/or a polymer including polyphosphazene. At least in at least one section of the implant, preferably at the proximal and/or distal ends of the implant, fastening means are provided or the nonwoven fabric is treated such that, at least in the expanded state of the implant, the protrusion of nonwoven fabric sections from the implant is significantly reduced. Furthermore, a method for producing such an implant is provided.Type: GrantFiled: March 19, 2019Date of Patent: January 19, 2021Assignee: BIOTRONIK AGInventors: Daniel Wintsch, Stefan Loher, Bodo Quint, Patrice Bachmann, Hans Lang, Dragica Pantic, Alwin Schwitzer
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Publication number: 20190314137Abstract: An implant having a preferably hollow cylindrical basic structure. A nonwoven fabric is disposed in and/or on the basic structure, the nonwoven fabric preferably comprising biocompatible thermoplastic polyurethane and/or a polymer selected from the group consisting of polylactic acid, polycaprolactone, and a copolymer thereof, and/or a polymer including polyphosphazene. At least in at least one section of the implant, preferably at the proximal and/or distal ends of the implant, fastening means are provided or the nonwoven fabric is treated such that, at least in the expanded state of the implant, the protrusion of nonwoven fabric sections from the implant is significantly reduced. Furthermore, a method for producing such an implant is provided.Type: ApplicationFiled: March 19, 2019Publication date: October 17, 2019Inventors: Daniel Wintsch, Stefan Loher, Bodo Quint, Patrice Bachmann, Hans Lang, Dragica Pantic, Alwin Schwitzer
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Patent number: 10271941Abstract: An implant having a preferably hollow cylindrical basic structure. A nonwoven fabric is disposed in and/or on the basic structure, the nonwoven fabric preferably comprising biocompatible thermoplastic polyurethane and/or a polymer selected from the group consisting of polylactic acid; polycaprolactone, and a copolymer thereof, and/or a polymer including polyphosphazene. At least in at least one section of the implant, preferably at the proximal and/or distal ends of the implant, fastening means are provided or the nonwoven fabric is treated such that, at least in the expanded state of the implant, the protrusion of nonwoven fabric sections from the implant is significantly reduced. Furthermore, a method for producing such an implant is provided.Type: GrantFiled: April 20, 2011Date of Patent: April 30, 2019Assignee: BIOTRONIK AGInventors: Daniel Wintsch, Stefan Loher, Bodo Quint, Patrice Bachmann, Hans Lang, Dragica Pantic, Alwin Schwitzer
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Patent number: 9770575Abstract: A balloon catheter, in particular for delivering medicaments, stents or medicament-coated stents in the region of a stenosis, comprising an outer shaft (4) an inner shaft (6), and a balloon (7) at the distal catheter end, which balloon is dilatable by a feedable pressure fluid and which is attached with its proximal end (8) to the outer shaft (4) and with its distal end (9) to the inner shaft (6) which protrudes the outer shaft (4) in the distal direction, and a cover sheath (15) which is seated in a covering position over the contracted balloon (7) and is displaceably guided on the outer shaft (4) and which is displaceable on the outer shaft (4) in the proximal direction via its front opening (17) by the dilating balloon (7) while continuously releasing the same from distal to proximal.Type: GrantFiled: October 27, 2011Date of Patent: September 26, 2017Assignee: Biotronik AGInventors: Matthias Wesselmann, Tobias Brunner, Hans Lang
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Publication number: 20170259032Abstract: A catheter shaft includes a first tube made of an extrudable copolymer that has reactive groups, and a second tube made of a polymeric material, which is welded to the first tube. A distal balloon is welded to the first tube.Type: ApplicationFiled: May 23, 2017Publication date: September 14, 2017Inventors: Alwin Schwitzer, Hans Lang
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Patent number: 9682211Abstract: One embodiment of the invention relates to a catheter shaft comprising (i) a first tube made of an extrudable copolymer that has reactive groups, and (ii) a second tube made of a polymeric material, which can be welded to the first tube, wherein the polymeric material of the second tube can be welded to the first tube at a temperature ?200° C.Type: GrantFiled: March 7, 2013Date of Patent: June 20, 2017Assignee: Biotronik AGInventors: Alwin Schwitzer, Hans Lang
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Publication number: 20130261604Abstract: One embodiment of the invention relates to a catheter shaft comprising (i) a first tube made of an extrudable copolymer that has reactive groups, and (ii) a second tube made of a polymeric material, which can be welded to the first tube, wherein the polymeric material of the second tube can be welded to the first tube at a temperature ?200° C.Type: ApplicationFiled: March 7, 2013Publication date: October 3, 2013Applicant: BIOTRONIK AGInventors: Alwin Schwitzer, Hans Lang
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Patent number: 8512369Abstract: A combined rolling membrane-balloon catheter, in particular for expanding stenoses in bodily vessels, including: an outer shaft (1) and an inner shaft (4) which is axially displaceable therein, an intermediate shaft (7) situated between the inner and outer shafts (4, 1) which is likewise axially displaceable, a rolling membrane (12) which is attached in a pressure-tight manner between the distal end (2) of the outer shaft (1) and the distal end (11) of the inner shaft (4), and which may be displaced between a passive position within the outer shaft (1) and an active position which is distally expanded from the outer shaft (1) by the action of pressure, and a dilatable balloon (14) which is attached in a pressure-tight manner between the distal end (11) of the inner shaft (4) and the distal end of the intermediate shaft (7), and which may be displaced between a passive position within the outer shaft (1) and proximally in front of the rolling membrane (12), and an active position which is distally expanded froType: GrantFiled: April 20, 2011Date of Patent: August 20, 2013Assignee: Biotronik AGInventors: Matthias Wesselmann, Hans Lang, Susanne Pfenninger-Ganz
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Patent number: 8430844Abstract: A balloon catheter, including an outer shaft with a distal end and a fluid line, an inner part located distal anterior to its distal end, as well as a balloon that can be inflated under the influence of a fluid that has been pressurized by the fluid line, that is fastened fluid-tight onto the distal end section of the outer shaft with a first fastening zone at its proximal end, and fluid-tight onto inner part with a second fastening zone at its distal end, whereby the balloon, on at least one of its two ends is designed without cone and with essentially unvarying thin wall thickness, the balloon is provided on at least one of its two ends with respectively one twist anterior to its fastening zone, and a second balloon is placed above the first balloon and is also provided with a twist on at least one of its two ends anterior to the fastening zone, that is directed in the opposite direction of the twist of the first balloon end that is positioned underneath.Type: GrantFiled: February 9, 2011Date of Patent: April 30, 2013Assignee: Biotronik AGInventors: Matthias Wesselmann, Hans Lang, Susanne Pfenninger-Ganz, Adrian Blaser, Christoph Hannes Hoser, Horst Josef Fischer, Bodo Quint
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Publication number: 20120290082Abstract: A mechanical transcatheter heart valve prosthesis including a support structure that can be expanded from a first size designed for minimally invasive insertion to a functional second size and a flexible heart valve made of a composite material containing woven fabric that is embedded in an elastic matrix and locally reinforced by fibers, the heart valve comprising a plurality of leaflets.Type: ApplicationFiled: April 27, 2012Publication date: November 15, 2012Applicant: BIOTRONIK AGInventors: Bodo Quint, Matthias Wesselmann, Alwin Schwitzer, Patrice Bachmann, Susanne Pfenninger-Ganz, Hans Lang, Amir Fargahi
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Publication number: 20120116490Abstract: A balloon catheter, in particular for delivering medicaments, stents or medicament-coated stents in the region of a stenosis, comprising an outer shaft (4) an inner shaft (6), and a balloon (7) at the distal catheter end, which balloon is dilatable by a feedable pressure fluid and which is attached with its proximal end (8) to the outer shaft (4) and with its distal end (9) to the inner shaft (6) which protrudes the outer shaft (4) in the distal direction, and a cover sheath (15) which is seated in a covering position over the contracted balloon (7) and is displaceably guided on the outer shaft (4) and which is displaceable on the outer shaft (4) in the proximal direction via its front opening (17) by the dilating balloon (7) while continuously releasing the same from distal to proximal.Type: ApplicationFiled: October 27, 2011Publication date: May 10, 2012Applicant: BIOTRONIK AGInventors: Matthias Wesselmann, Tobias Brunner, Hans Lang
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Publication number: 20110270296Abstract: A combined rolling membrane-balloon catheter, in particular for expanding stenoses in bodily vessels, including: an outer shaft (1) and an inner shaft (4) which is axially displaceable therein, an intermediate shaft (7) situated between the inner and outer shafts (4, 1) which is likewise axially displaceable, a rolling membrane (12) which is attached in a pressure-tight manner between the distal end (2) of the outer shaft (1) and the distal end (11) of the inner shaft (4), and which may be displaced between a passive position within the outer shaft (1) and an active position which is distally expanded from the outer shaft (1) by the action of pressure, and a dilatable balloon (14) which is attached in a pressure-tight manner between the distal end (11) of the inner shaft (4) and the distal end of the intermediate shaft (7), and which may be displaced between a passive position within the outer shaft (1) and proximally in front of the rolling membrane (12), and an active position which is distally expanded froType: ApplicationFiled: April 20, 2011Publication date: November 3, 2011Applicant: BIOTRONIK AGInventors: Matthias Wesselmann, Hans Lang, Susanne Pfenninger-Ganz
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Publication number: 20110262684Abstract: An implant having a preferably hollow cylindrical basic structure. A nonwoven fabric is disposed in and/or on the basic structure, the nonwoven fabric preferably comprising biocompatible thermoplastic polyurethane and/or a polymer selected from the group consisting of polylactic acid; polycaprolactone, and a copolymer thereof, and/or a polymer including polyphosphazene. At least in at least one section of the implant, preferably at the proximal and/or distal ends of the implant, fastening means are provided or the nonwoven fabric is treated such that, at least in the expanded state of the implant, the protrusion of nonwoven fabric sections from the implant is significantly reduced. Furthermore, a method for producing such an implant is provided.Type: ApplicationFiled: April 20, 2011Publication date: October 27, 2011Applicant: BIOTRONIK AGInventors: Daniel Wintsch, Stefan Loher, Bodo Quint, Patrice Bachmann, Hans Lang, Dragica Pantic, Alwin Schwitzer
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Publication number: 20110202001Abstract: A balloon catheter, including an outer shaft with a distal end and a fluid line, an inner part located distal anterior to its distal end, as well as a balloon that can be inflated under the influence of a fluid that has been pressurized by the fluid line, that is fastened fluid-tight onto the distal end section of the outer shaft with a first fastening zone at its proximal end, and fluid-tight onto inner part with a second fastening zone at its distal end, whereby the balloon, on at least one of its two ends is designed without cone and with essentially unvarying thin wall thickness, the balloon is provided on at least one of its two ends with respectively one twist anterior to its fastening zone, and a second balloon is placed above the first balloon and is also provided with a twist on at least one of its two ends anterior to the fastening zone, that is directed in the opposite direction of the twist of the first balloon end that is positioned underneath.Type: ApplicationFiled: February 9, 2011Publication date: August 18, 2011Applicant: BIOTRONIK AGInventors: Matthias Wesselmann, Hans Lang, Susanne Pfenninger-Ganz, Adrian Blaser, Christoph Hannes Hoser, Horst Josef Fischer, Bodo Quint
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Publication number: 20080135357Abstract: The invention relates to an electromechanical braking system, especially for a motor vehicle comprising a 12V/14V on-board supply system. Said braking system comprises a brake actuator unit provided with an electric motor for generating a braking force, and a power supply for the electric motor, said power supply comprising a first electrical energy source, especially an accumulator of an on-board supply system. The power supply of the electric motor also comprises at least one capacitive energy source which is mounted in parallel to the first energy source. The invention further relates to an electromechanical braking system and a motor vehicle, especially a private car, comprising an electromechanical braking system.Type: ApplicationFiled: November 11, 2005Publication date: June 12, 2008Inventor: Hans Lang
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Publication number: 20070124911Abstract: In a method for joining at least two plate-shaped workpieces by a fastening tool and a device for operating the fastening tool, the fastening tool comprises a punch for exerting a punch force to perform a joining operation and a clamp for exerting a clamping force upon the workpieces at the joining area. During the joining operation the punch exerts a high punch force to perform the joining operation and the clamp exerts substantially no clamping force to allow for free material deformation in the joining area. After the joining operation both the punch and the clamp exert high forces at the same time to reduce any material deformations of the workpieces and to provide for compression of the workpieces in the joining area. Preferably the invention is used in a riveting tool for setting self-piercing rivets; as an alternative it may be used in a clinching tool.Type: ApplicationFiled: February 26, 2007Publication date: June 7, 2007Inventors: Hans Lang, Torsten Draht
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Publication number: 20060200273Abstract: In a method and an apparatus for controlling the advance movement of a joining tool, the joining tool fixed to the robot is moved from an initial position to a pre-position wherein the die of the joining tool is spaced from the workpieces to be joined for a certain distance. This distance is detected by a distance detecting means in order to generate a corresponding distance signal. The joining tool is moved by the positioning means of the robot in response to the distance signal precisely to the operating position wherein the die is in engagement with the workpiece. This allows to compensate for tolerances of the position of the stationary workpiece.Type: ApplicationFiled: February 24, 2006Publication date: September 7, 2006Inventor: Hans Lang
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Publication number: 20060065699Abstract: In a method for joining at least two plate-shaped workpieces by a fastening tool and a device for operating the fastening tool, the fastening tool comprises a punch for exerting a punch force to perform a joining operation and a clamp for exerting a clamping force upon the workpieces at the joining area. During the joining operation the punch exerts a high punch force to perform the joining operation and the clamp exerts substantially no clamping force to allow for free material deformation in the joining area. After the joining operation both the punch and the clamp exert high forces at the same time to reduce any material deformations of the workpieces and to provide for compression of the workpieces in the joining area. Preferably the invention is used in a riveting tool for setting self-piercing rivets; as an alternative it may be used in a clinching tool.Type: ApplicationFiled: August 11, 2005Publication date: March 30, 2006Inventors: Hans Lang, Torsten Draht
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Patent number: 6287359Abstract: Granule mixtures composed of a) 5 to 45% by weight of coated fertilizer granules (granules a), composed of a1) a core, comprising a customary fertilizer, and a2) a coat, comprising a coat polymer, and b) 55 to 95% by weight of non-coated fertilizer granules, comprising a customary fertilizer (granules b).Type: GrantFiled: July 29, 1998Date of Patent: September 11, 2001Assignee: K+S AktiengesellschaftInventors: Klaus Erhardt, Klaus Horchler von Locquenghien, Reinhardt Hähndel, Jürgen Dressel, Hans Lang